Description: Given two collections A, B, the collection of any one element x satisfy 1 ≤ x ≤ 109, and each collection is not more than 105 number of elements. We hope to find A, B relationship. Mission: to set the description of the two collections to determine that they meet the following relations which: A is B, a true subset of the output " A is a proper subset of B" B is A, a true subset of the output " B is a proper subset of A " A and B are the same set, the output" A equals B " A and B of the intersection is empty, the output" A and B are disjoint " is not the situation, the output" I' m confused! "
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comparestring.cpp
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